[PATCH] rockchip: rockpro64: Set cooling levels for pwm-fan

[Simon Glass]

Hi Kurt,

On Fri, 29 May 2020 at 06:42, Kurt Miller <kurt at intricatesoftware.com> wrote:
>
> On Fri, 2020-05-29 at 09:27 +0100, Peter Robinson wrote:
> > On Thu, May 28, 2020 at 8:32 PM Kurt Miller <kurt at intricatesoftware.com> wrote:
> > >
> > >
> > > The cooling levels are tuned to the fan that comes with the rockpro64 NAS
> > > case. A gpu_thermal zone was not added because having two active cooling
> > > maps control one physical fan causes them to compete for the fan speed
> > > which results in erratic fan behavior.
> > Is there any reason this shouldn't go to the linux kernel first and
> > then be synced back to the standard rk3399-rockpro64.dtsi?
>
> Is that a requirement? I do my primary development on OpenBSD and
> while I use Linux for work tasks, I don't have available time right
> now to push these changes to Linux kernel first.
>

The problem is that we need to keep Linux and U-Boot in sync. If a DT
change is submitted only to one then it isn't clear who is taking on
the task of syncing them up.

You don't actually need to be using Linux to send a DT change - just
clone Linux, apply your patch and send to devicetree at vger.kernel.org.
I wonder if it would be good enough to cc that group and the Linux
maintainer on these patches, assuming the files are currently in sync?
But probably a new patch is needed.

Regards,
Simon